Questions about configuring, troubleshooting or using connections that one device uses to talk to another.

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SYN_SENT connections pile up

I refresh a few pages concurrently in a browser (any browser, Safari, Chrome, etc) and they suddenly get stuck, waiting for "connection". I run lsof and see a number of connections in status SYN_SENT. ...
2
votes
1answer
18 views

How do I get rid of errors for disconnected networked drives?

Every time I log into OSX 10.9.4 (and several slightly older versions since I've been updating) I get several pop-ups asking me to connect to a remote/networked drive that I've previously configured, ...
2
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1answer
16 views

speed up launchctl execution

I've set up a bunch of scripts that need to happen when I connect my thunderbolt dock at home (disable wifi, enable bluetooth, ...). To detect the thunderbolt dock I make use of the following ...
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1answer
11 views

Disable network device for specified period of time

Recently I converted an old MacBook into a server, running OS X 10.6.8 (the normal, non-server edition). I use it as my VPN server, my bittorrent rsync server, web server, ssh server and so forth. ...
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9 views

Teather Mac's Wifi connection to phone over Bluetooth

I'm staying in a rather upmarket hotel, yet for some reason the Wifi is £7 per device per day. I got it for my Macbook, and I'm wondering if there is a way for me to share the connection to my iPod. ...
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0answers
37 views

iMac 21.5″ Wi-Fi Issues

My iMac constantly dropping its internet connection in the last couple of days. I'm connected to a 2.4GHZ Airport Express. Not a router issue, because my iPhone and iPad works just fine, no ...
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0answers
19 views

How to extend range of airport express that feeds a receiver

I have an airport extreme in the basement I use to send out my wireless signal. Upstairs, I wirelessly connect my airport express to my extreme so that I can extend the range of my internet signal ...
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0answers
20 views

Tunnel all traffic over HTTP

I often end up in a situation where I connect via public Wi-Fi connection, and it's severely crippled (HTTP only, no SSH, no SMTP). I want to set up some kind of HTTP tunnel for all traffic in the ...
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0answers
8 views

_mdnsresponder generates 5‘000 DNS requests/s

On our network with several tens of thousands machine we notices several OS X machines that from time to time begin to send more than 5000 DNS requests per seconds. We were able to identify some of ...
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1answer
26 views

Charles not working on iPhone at Starbucks

I'm using Charles to sniff out the traffic on my iPhone at Starbucks and for some reason it won't work with at&t wifi. Google Starbucks wifi does, however. I use my iPhone to connect to the same ...
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0answers
7 views

Safari OCSP/CRL Checking Causing Connectivity Failure

I'm currently implementing an 802.1X network authentication system using Cisco ISE for one of our customers. Our solution requires users (with personal devices) to connect to an open SSID network, ...
2
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1answer
10 views

Enable/Disable Sharing (SSH/File) Based on Network?

Is it possible to enable and disable the Sharing features (ssh, file sharing, etc) based on the current network? For example, I want file sharing and SSH to be enabled on my trusted home network. ...
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1answer
21 views

Mavericks frequently doesn't resolve any hosts after router switch; pings fine

After a switch to a new router, I frequently experience that all sites fail to resolve under Mavericks 10.9.4 on MBA mid-2011, both with Safari, Chrome and pinging google.com. It lasts for variable ...
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0answers
10 views

Screen sharing with server fails

I am managing a Mac server cluster and I can do screen sharing from my Mac to the cluster without a fuss. However a colleague of mine receives the following error upon trying to switch on screen ...
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0answers
28 views

Receive Apple Push Notifications behind a VPN

Hey guys I tried to search google for this particular question but couldn't find a solution which fits my question. I'm trying to build an app which works only when VPN is configured properly. (The ...
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0answers
17 views

Troubleshoot Mavericks & Windows Remote Desktop

I have a macbook retina late 2013 and a PC on the same LAN (yes, a regular wired connection). When using Microsoft Remote Desktop i can connect to my pc, but the quality is terrible and it disconnects ...
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0answers
10 views

Connecting via AFP with no timeout

My Mac at home is asleep, but it sometimes wakes up for various reasons, and I want to connect to it via AFP once it's awake so it will stay awake and let me access files. When I do an AFP connection ...
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1answer
58 views

How to create your own wifi network in mac without internet cable

I want to create a network in my room with my mac. I have low wifi signal in my room and my ipad cannot detect it but my mac can. However, I am using a retina mac and thus cannot connect the ethernet ...
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0answers
32 views

Analog of `ss` command for OSX

Is there any analog of ss command for OS X? See man page for what ss does. Particularly I want to see different info about open ports, connections, sockes and so on. I know that I can use netstat and ...
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0answers
23 views

OS X Mavericks system-wide VPN settings doesn't work for particular applications

I'm using OS X Mavericks and I have a systemwide VPN setting that web browsers like Safari work well. However, I also want the LINE instant message software to use this VPN setting, but LINE seems to ...
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0answers
32 views

Is there a way to stop OS X opening NAT-PNP/uPNP holes for every open port on *?

With any luck, there's an easy work-around for this: curl ifconfig.me to find your external IP address sudo lsof -i4 -n | grep LISTEN | grep \* to find processes listening for connections from other ...
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3answers
141 views

Macbook Air mid 2013 with Mavericks stopped connecting to familiar wifi after 10.9.4 update

I recently installed update 10.9.4, which was recommended for all Mavericks users. My wifi was working fine beforehand and now won't connect to familiar networks. Ironic much? The 10.9.4 update was ...
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24 views

DNS Lookup Failure on Terminal Only (Mavericks)

I recently did a clean install of Mavericks, and ever since I have, I've been having intermittent DNS lookup failures on the terminal only. Browsers work fine (Chrome, Safari). But nothing works ...
2
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1answer
24 views

OSX slow netwerk setup after sleep when wired (wireless is fast)?

When my mapro6,1 awakes from sleep it takes like 20-30 seconds before the network (and therefor Internet) is working, when i use WiFi its almost instant. Any ideas? Thanks!
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2answers
47 views

Can I create a share on a Windows Server Domain Controller for anonymous Mac OS access?

I'd like to have a share on a Windows Server Domain Controller (2012 R2) with Mac software for folks on my company to install from. Not everyone who will have access to this share will have a domain ...
1
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1answer
37 views

Failing to connect to WiFi network with MacAuthEvent error

I'm unable to connect to any WiFi network. When attempting to connect, before the popup prompting me to run network diagnostics, the console shows the following in the logs: 7/14/14 8:52:06.000 AM ...
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0answers
30 views

Setting up a private network with macs

I want to run 12 imacs through a network. And also have wifi available for people to use their own devices. At the moment I have the modem connected to the VPN box, then the vpn box connected to the ...
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0answers
36 views

Issues Setting Up Airport Express to Extend Network

I have tried to set up my WLAN with the following topology: Cable modem providing Internet connectivity Airport Extreme as the primary access point Airport Express as a repeater (to extend my ...
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0answers
70 views

OS X, connection drop downs, socket closed prematurely, mDNS

I have big problem with my OS X Mavericks Wi-Fi connection. I have tried calling my ISP (now we have stronger AP antenna), NVRAM reset, OS X reinstall, run own DNS local with dnsmasq, manually set IP ...
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0answers
36 views

Is it possible to use a proxy with a 3G connection on an iPhone?

I'm currently using a proxy over Wi-Fi connections on my iPhone 4S, but there doesn't seem to be an option to apply it to 3G connections. I tried configuring a configuration profile with iPhone ...
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0answers
29 views

No WiFi to Ethernet sharing on Mavericks

I have OS X 10.9.3 installed on my MBP and I have an internet router with OpenWRT installed. In order to install some packets, I need Internet access for it. I start Internet Sharing sharing WiFi to ...
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0answers
7 views

Port Forwarding to VM with built-in pfctl

I try to port forward specific ports ( 8000 for example ) from my Router to my Server and then to my VM which actually uses this port. Currently I'm tunneling the traffic through ssh-connections ...
1
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1answer
34 views

.DS_Store creation disabled on network shares, but I want them enabled for a specific share

I use my Mac in a corporate Windows environment all the time, and have it set so that it doesn't drop .DS_Store turds all over the network. I used the following well-known terminal command to disable ...
1
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1answer
36 views

'localhost' stoped working as an alias for '127.0.0.1' for SSHing into my VirtualBox VM. Why, and how to fix?

The question explains the problem. For months I've never had any problems along these lines. Then, yesterday morning, I couldn't get into my VM! Took a long time to troubleshoot but here was the ...
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0answers
25 views

AirPort Extreme Refusing Internet Connection to Windows Clients

I have an AirPort Extreme (3rd generation) acting as the router in the house. Unlike the Actiontec router that it replaced, Windows 7 (but not XP) computers connected to the LAN in various ways, ...
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0answers
24 views

ssh without Safari streaming: “Write failed: Broken pipe”

I use the standard ssh binary on OS X 10.9 on a mid-2013 MacBook Air 11". It looks like OS X goes into some kind of sleep mode all the time, and when I wake it up a dozen of minutes afterwards, I ...
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1answer
32 views

How to choose which connection to use for SSH

I have an ethernet connection which is restricted for a lot of ports (the most annyoing is port 22 -ssh- ). I now have a Wifi connection which is unrestricted. I want to tell to my mac, each time i ...
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0answers
31 views

How to share my ethernet connection via WiFi reliably?

I have setup my macbook running latest Mavericks to be a WiFi hotspot but it is very very flaky. just I need to turn it off/on multiple times to get it working. and now it's not working at all. ...
3
votes
1answer
54 views

MacBook cannot connect to non-SSL websites

I have the late 2013 MBP 15″ with Retina and recently I've been unable to connect to websites not using SSL with either Firefox or Safari. This includes other applications that use HTTP such as the ...
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1answer
310 views

How can I figure out why my Apple TV drops connection when using AirPlay

Hi – I have a really frustrating issue with my Apple TV(s). I have two of them, and several iOS devices, and this issue exists for all combinations. The issue: I'll be streaming something in Safari, ...
1
vote
3answers
82 views

Keep ethernet connection live during screen sleep

I have a MacBookPro running OS X 10.8.5. My understanding is Control ⌃+Shift ⇧+Eject ⏏ puts the Mac into a sleep mode. This is fine but what I want to know if there is a way to keep the ethernet port ...
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0answers
14 views

Lync and automatic reconnect

I am using Microsoft Lync (14.0.8) with Mavericks (10.9.3) on a laptop. When my IP address changes Lync does not reconnect automatically. From time to time I see a big red X icon in the dock but in ...
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0answers
23 views

Accessing virtualbox host system

I have VirtualBox installed on my Mac (MacOSX 10.9.3). I have downloaded a CentOS appliance. Virtual machine networking is configured as "Bridged" but the guest operating system does not receive IP ...
0
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1answer
73 views

VPN issues Cisco IPSec Mavericks 10.9.3

This is my first post here on AskDifferent. I have a user who can not connect to the VPN on his Mac. It is a MBP 11,1 with a Core i5 2.4GHz 8gb of memory running OS X 10.9.3 . I have had him create a ...
2
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0answers
25 views

When I tether a MacBook Pro to an iPhone/iPad, how can I restrict what apps use it?

I want to prevent Dropbox, Skydrive/OneDrive, and Google drive from syncing (for example) when my laptop is connected to my phone. In other words I'd only like to sync email, use VPN, and permit ...
2
votes
1answer
13 views

How to stop assignment of numbers to hostnames?

My devices, including airport stations, keep being assigned a number following their name (i.e. "ATV (3)"). I was hoping Mavericks would fix it but it did not. Is this fixable, please?
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1answer
90 views

Multiple macs self-assigned IP on ethernet (wifi okay though)

I have a small CAT-6 ethernet network featuring a Cisco 18-port switch and an Asus router acting as DHCP server. Various devices connected to the switch (e.g. printer, NAS) connect to the DHCP server ...
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0answers
16 views

How to forward domain.tld:80 to localhost with port (localhost:xxxx) across ssh via `pfctl`?

I have a remote server port piped to my localhost through such that I can hit localhost:18080 (for example) to visit the remote server through a gateway (in my case to skip around a workstation VPN). ...
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0answers
30 views

Set DSCP/TOS IPv4 header for certain packets

I'm trying to set the value of the DSCP/TOS field for certain outgoing packets (for example all ACK packets) for all applications. I've looked through the pfctl/pfconf.org and ipfw docs/manpages but ...
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0answers
10 views

Clone a NetBoot Drive

I am in a small pickle. Basically, I have a netboot server (I think, when you press option at startup, drives with small globes appear) but I cannot access it locally, and I need to clone it to a ...